Fixes old and some broken links to nordic documentation. Signed-off-by: Florian Gärtner <florian.gaertner@ledcity.ch>
Add support for nRF52840-MDK board. Signed-off-by: Zelin Cai <zelin@makerdiary.com> Signed-off-by: Jean-Paul Saman <jpsaman@videolan.org>